Mrs. Green usually goes shopping with umbrella in summer.A. a; theB. an; /C. the; aD. /

问题补充：

Mrs. Green usually goes shopping with umbrella in summer.

A. a; the

B. an; /

C. the; a

D. / ; /

答案：

A. a; the

(答案→)B. an; /

C. the; a

D. / ; /

解析：句意：格林夫人在夏天通常带着伞去购物。结合语境可知本题前一空泛指任何一把雨伞，故用不定冠词，umbrella词首音素是元音，故不定冠词用an。后一空泛指任何一个夏天，summer此处表示抽象含义，泛指不用冠词，故选B。